/*
 * Copyright 2024 LinQingYing. and contributors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * The use of this source code is governed by the Apache License 2.0,
 * which allows users to freely use, modify, and distribute the code,
 * provided they adhere to the terms of the license.
 *
 * The software is provided "as-is", and the authors are not responsible for
 * any damages or issues arising from its use.
 *
 */

package com.linqingying.lsp.impl.connector

import com.intellij.execution.impl.ExecutionManagerImpl.Companion.stopProcess
import com.intellij.execution.process.OSProcessHandler
import com.intellij.execution.process.ProcessHandler
import com.linqingying.lsp.impl.LspServerImpl
import java.io.InputStream

internal class Lsp4jServerConnectorStdio(lspServer: LspServerImpl) :
    Lsp4jServerConnector(lspServer) {


    private val processHandler: OSProcessHandler = lspServer.descriptor.startServerProcess()

    private val processListener: LspServerProcessListener = LspServerProcessListener(lspServer)

    init {
        processHandler.addProcessListener(processListener)

    }

    override val serverToIdeStream: InputStream = this.processListener.pipedInputStream
    override val ideToServerStream = processHandler.processInput

    override fun disconnect() {
        if (!processHandler.isProcessTerminated) {
            lspServer.logInfo("Stopping LSP server process: " + processHandler.commandLine)
            stopProcess(processHandler as ProcessHandler)
        }
    }

    override fun isConnectionAlive(): Boolean {
        return processHandler.isStartNotified && !processHandler.isProcessTerminated

    }

    override fun prepareConnect() {
    }

    override fun startNotify() {
        processHandler.startNotify()

    }
}
